Luminescent Properties of Dy3+, Sm3+ Co-doped Ca2A1[AlSiO7] Phosphors

Tushagu·ABUDUWUFU; DAI Peng-peng; MA Yuan-yuan; ZHOU Zhi-xuan; Hairegu·TUXUN; Aierken·Sidike

doi:10.3788/fgxb20173802.0154

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Luminescent Properties of Dy³⁺, Sm³⁺ Co-doped Ca₂A1[AlSiO₇] Phosphors

更新时间：2020-08-12

- Luminescent Properties of Dy³⁺, Sm³⁺ Co-doped Ca₂A1[AlSiO₇] Phosphors
- Chinese Journal of Luminescence Vol. 38, Issue 2, Pages: 154-159(2017)
- 作者机构：
  
  新疆师范大学新疆矿物发光材料及其微结构实验室, 新疆乌鲁木齐 830054
- 作者简介：
- 基金信息：
  
  Supported by National Natural Science Foundation of China(11464045,11264040);Program for Key Laboratory in Xinjiang Normal University(KWFG1604)
- DOI：10.3788/fgxb20173802.0154
  CLC： O482.31
- Received：04 August 2016，
  
  Revised：30 August 2016，
  
  Published：05 February 2017
- 稿件说明：
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吐沙姑·,阿不都吾甫, 戴鹏鹏等. Dy³⁺,Sm³⁺共掺杂Ca₂A1[AlSiO₇]荧光粉的发光性质研究[J]. 发光学报, 2017,38(2): 154-159

Tushagu·,ABUDUWUFU, DAI Peng-peng etc. Luminescent Properties of Dy³⁺, Sm³⁺ Co-doped Ca₂A1[AlSiO₇] Phosphors[J]. Chinese Journal of Luminescence, 2017,38(2): 154-159
吐沙姑·,阿不都吾甫, 戴鹏鹏等. Dy³⁺,Sm³⁺共掺杂Ca₂A1[AlSiO₇]荧光粉的发光性质研究[J]. 发光学报, 2017,38(2): 154-159 DOI： 10.3788/fgxb20173802.0154.

Tushagu·,ABUDUWUFU, DAI Peng-peng etc. Luminescent Properties of Dy³⁺, Sm³⁺ Co-doped Ca₂A1[AlSiO₇] Phosphors[J]. Chinese Journal of Luminescence, 2017,38(2): 154-159 DOI： 10.3788/fgxb20173802.0154.

摘要

采用高温固相反应法合成了一系列Dy

、Sm

单掺杂和共掺杂铝方柱石发光材料，详细地研究了Dy

、Sm

掺杂对铝方柱石的结构和发光性质的影响。XRD结果表明Dy

、Sm

离子单掺杂和共掺杂样品均形成了单相的铝方柱石结构化合物，并没有改变基质的晶体结构。发光光谱表明，通过调节Dy

、Sm

离子的掺杂比例，发光颜色可实现从黄色到黄白色的可控调节。此外，发射和激发光谱表明，Dy

与Sm

离子之间存在有效的光谱重叠，暗示着Dy

的能量传递。荧光寿命衰减结果进一步证实Dy

与Sm

离子之间是一种无辐射共振能量传递方式。

Abstract

A series of Dy

co-doped Ca

A1[AlSiO

] phosphors were synthesized by the solid-state reaction. The crystal structure and luminescent properties of the samples were investigated by XRD

PL spectra and lifetime decay. XRD results show that the as-prepared phosphors are single-phase melilite compounds. Dy and Sm codoped do not vary the crystal structure of melilite. The PL spectra results show that the emission color can be tuned from yellow-emitting to warm-white lighting by changing the ratio of Dy

to Sm

. In addition

the PL and PLE results demonstrate that there is a significant energy transfer from Dy

to Sm

. The lifetime decay results further verified that the energy-transfer mode of Dy

is attributed to the nonradiative energy-transfer.

关键词

Keywords

references

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